How To Fix TN809 - Maintenance certificate check requires a kernel patch level >= 145


TN809 - Overview

  • Message type: E = Error

  • Message class: TN - Support Package Manager (SPAM) Messages

  • Message number: 809

  • Message text: Maintenance certificate check requires a kernel patch level >= 145

  • Show details Hide details
  • What causes this issue?

    Check failed for a valid maintenance certificate for system &V2& because
    the patch level of the kernel that was used is too low (current patch
    level: &V1&).

    How to fix this error?

    Install a kernel with a least <ZH>patch level 145</>.
    Background Information
    As of 2009, maintenance certificates are required to be able to install
    and maintain SAP software with the Add-On Installation Tool and Support
    Package Manager. These maintenance certificates can be requested with
    SAP Solution Manager and are distributed to the systems automatically.
    For more information, see SAP Support Portal under
    http://service.sap.com/maintenancecertificate and SAP Note 1240265.
    Component SV-SMG-LIC is also available for reporting an problems or any
    further questions.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message TN809 - Maintenance certificate check requires a kernel patch level >= 145 ?
    The SAP error message "TN809 Maintenance certificate check requires a kernel patch level >= 145" indicates that the current kernel version of your SAP system is outdated and does not meet the minimum requirements for the maintenance certificate check. This check is essential for ensuring that the system is up to date with the latest patches and security updates.
    
    Cause: The error occurs because the kernel version installed on your SAP system is lower than the required version (145 or higher). This can happen if: The system has not been updated for a long time. The kernel patch level was not applied after an upgrade or installation. There are specific requirements for certain functionalities or compliance checks that necessitate a newer kernel version.
    Solution: To resolve this issue, you need to update the SAP kernel to the required patch level or higher. Here are the steps to do this: Check Current Kernel Version: You can check the current kernel

    Already have an account? Login here!




Instant HelpGet instant SAP help. Sign up for our Free Essentials Plan.


Related SAP Error Messages

Click the links below to see the following related messages:

Click on this link to search all SAP messages.


Rating
ERPlingo simplifies finding the accurate answers to SAP message errors. I now use every week. A must have tool for anyone working with SAP! Highly recommended!
Rate 1
Kent Bettisworth
Executive SAP Consultant